[PATCH v2 1/2] dma-buf: heaps: Parameterize heap name in __add_cma_heap()

[Jared Kangas]

Prepare for the introduction of a fixed-name CMA heap by replacing the
unused void pointer parameter in __add_cma_heap() with the heap name.

Signed-off-by: Jared Kangas <jkan...@redhat.com>
---
 drivers/dma-buf/heaps/cma_heap.c | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/drivers/dma-buf/heaps/cma_heap.c b/drivers/dma-buf/heaps/cma_heap.c
index 9512d050563a9..e998d8ccd1dc6 100644
--- a/drivers/dma-buf/heaps/cma_heap.c
+++ b/drivers/dma-buf/heaps/cma_heap.c
@@ -366,17 +366,17 @@ static const struct dma_heap_ops cma_heap_ops = {
        .allocate = cma_heap_allocate,
 };
 
-static int __init __add_cma_heap(struct cma *cma, void *data)
+static int __init __add_cma_heap(struct cma *cma, const char *name)
 {
-       struct cma_heap *cma_heap;
        struct dma_heap_export_info exp_info;
+       struct cma_heap *cma_heap;
 
        cma_heap = kzalloc(sizeof(*cma_heap), GFP_KERNEL);
        if (!cma_heap)
                return -ENOMEM;
        cma_heap->cma = cma;
 
-       exp_info.name = cma_get_name(cma);
+       exp_info.name = name;
        exp_info.ops = &cma_heap_ops;
        exp_info.priv = cma_heap;
 
@@ -394,12 +394,16 @@ static int __init __add_cma_heap(struct cma *cma, void 
*data)
 static int __init add_default_cma_heap(void)
 {
        struct cma *default_cma = dev_get_cma_area(NULL);
-       int ret = 0;
+       int ret;
 
-       if (default_cma)
-               ret = __add_cma_heap(default_cma, NULL);
+       if (!default_cma)
+               return 0;
 
-       return ret;
+       ret = __add_cma_heap(default_cma, cma_get_name(default_cma));
+       if (ret)
+               return ret;
+
+       return 0;
 }
 module_init(add_default_cma_heap);
 MODULE_DESCRIPTION("DMA-BUF CMA Heap");
-- 
2.49.0